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of the amount of urea in urine, in which the nitrogen evolved by the action of certain reagents, on a given volume of urine, is collected and measured, and the urea calculated accordingly.

A native attorney or agent; also, an ambassador. [India]

A medicinal agent designed for administration in the form of inhaled vapor. Brit. Pharm. Vapor bath. (a) A bath in vapor; the application of vapor to the body, or part of it, in a close place; also, the place itself. (b) (Chem.) A small metallic drying oven, usually of copper, for drying and heating filter papers, prec…

Capable of being converted into vapor by the agency of heat; vaporizable.

or to cause to pass, into vapor; thus, volatile fluids are vaporific; heat is a vaporific agent.

fers the exclusive right of possessing a thing, either his own, or that of another as his agent, for a price or pecuniary equivalent; a seller; a vendor.

Acting of suffering for another; as, a vicarious agent or officer. The soul in the body is but a subordinate efficient, and vicarious . . . in the hands of the Almighty. Sir M. Hale.

ing an officer or an office that is second in rank or authority; as, vice president; vice agent; vice consul, etc. Vice admiral. Etym: [Cf. F. vice-amiral.] (a) An officer holding rank next below an admiral. By the existing laws, the rank of admiral and vice admiral in the United States Navy will cease at the death of…

Having the power of acting or of invisible efficacy without the agency of the material or sensible part; potential; energizing. Heat and cold have a virtual transition, without communication of substance. Bacon. Every kind that lives, Fomented by his virtual power, and warmed. Milton.

s. Active voice (Gram.), that form of the verb by which its subject is represented as the agent or doer of the action expressed by it. -- Chest voice (Phon.), a kind of voice of a medium or low pitch and of a sonorous quality ascribed to resonance in the chest, or thorax; voice of the thick register. It is produced by…

Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa.

ism, from Galvani, on account of his experiments showing the remarkable influence of this agent on animals.

ative analysis of solutions which employs definite volumes of standardized solutions of reagents, as measured by burettes, pipettes, etc.; also, the analysis of gases by volume, as by the eudiometer.

motions, such as the movements of the heart); the voluntary muscle fibers, which are the agents in voluntary motion.

d; an uncultivated or untamed state; disposition to rove or go unrestrained; rudeness; savageness; irregularity; distraction.